internal MetadataMethod(MetadataModule module, MethodDefinitionHandle handle)
{
Debug.Assert(module != null);
Debug.Assert(!handle.IsNil);
this.module = module;
this.handle = handle;
var metadata = module.metadata;
var def = metadata.GetMethodDefinition(handle);
this.attributes = def.Attributes;
this.symbolKind = SymbolKind.Method;
var(accessorOwner, semanticsAttribute) = module.PEFile.MethodSemanticsLookup.GetSemantics(handle);
if (semanticsAttribute != 0)
{
this.symbolKind = SymbolKind.Accessor;
this.accessorOwner = accessorOwner;
}
else if ((attributes & (MethodAttributes.SpecialName | MethodAttributes.RTSpecialName)) != 0)
{
string name = this.Name;
if (name == ".cctor" || name == ".ctor")
{
this.symbolKind = SymbolKind.Constructor;
}
else if (name.StartsWith("op_", StringComparison.Ordinal))
{
this.symbolKind = SymbolKind.Operator;
}
}
this.typeParameters = MetadataTypeParameter.Create(module, this, def.GetGenericParameters());
this.IsExtensionMethod = (attributes & MethodAttributes.Static) == MethodAttributes.Static &&
(module.TypeSystemOptions & TypeSystemOptions.ExtensionMethods) == TypeSystemOptions.ExtensionMethods &&
def.GetCustomAttributes().HasKnownAttribute(metadata, KnownAttribute.Extension);
}
internal MetadataMethod(MetadataModule module, MethodDefinitionHandle handle)
{
Debug.Assert(module != null);
Debug.Assert(!handle.IsNil);
this.module = module;
this.handle = handle;
var metadata = module.metadata;
var def = metadata.GetMethodDefinition(handle);
this.attributes = def.Attributes;
this.symbolKind = SymbolKind.Method;
var(accessorOwner, semanticsAttribute) = module.PEFile.MethodSemanticsLookup.GetSemantics(handle);
const MethodAttributes finalizerAttributes = (MethodAttributes.Virtual | MethodAttributes.Family | MethodAttributes.HideBySig);
this.typeParameters = MetadataTypeParameter.Create(module, this, def.GetGenericParameters());
if (semanticsAttribute != 0)
{
this.symbolKind = SymbolKind.Accessor;
this.accessorOwner = accessorOwner;
this.AccessorKind = semanticsAttribute;
}
else if ((attributes & (MethodAttributes.SpecialName | MethodAttributes.RTSpecialName)) != 0 &&
typeParameters.Length == 0)
{
string name = this.Name;
if (name == ".cctor" || name == ".ctor")
{
this.symbolKind = SymbolKind.Constructor;
}
else if (name.StartsWith("op_", StringComparison.Ordinal) &&
CSharp.Syntax.OperatorDeclaration.GetOperatorType(name) != null)
{
this.symbolKind = SymbolKind.Operator;
}
}
else if ((attributes & finalizerAttributes) == finalizerAttributes && typeParameters.Length == 0)
{
if (Name == "Finalize" && Parameters.Count == 0 && ReturnType.IsKnownType(KnownTypeCode.Void) &&
(DeclaringTypeDefinition as MetadataTypeDefinition)?.Kind == TypeKind.Class)
{
this.symbolKind = SymbolKind.Destructor;
}
}
this.IsExtensionMethod = (attributes & MethodAttributes.Static) == MethodAttributes.Static &&
(module.TypeSystemOptions & TypeSystemOptions.ExtensionMethods) == TypeSystemOptions.ExtensionMethods &&
def.GetCustomAttributes().HasKnownAttribute(metadata, KnownAttribute.Extension);
}
internal MetadataTypeDefinition(MetadataModule module, TypeDefinitionHandle handle)
{
Debug.Assert(module != null);
Debug.Assert(!handle.IsNil);
this.module = module;
this.handle = handle;
var metadata = module.metadata;
var td = metadata.GetTypeDefinition(handle);
this.attributes = td.Attributes;
this.fullTypeName = td.GetFullTypeName(metadata);
// Find DeclaringType + KnownTypeCode:
if (fullTypeName.IsNested)
{
this.DeclaringTypeDefinition = module.GetDefinition(td.GetDeclaringType());
// Create type parameters:
this.TypeParameters = MetadataTypeParameter.Create(module, this.DeclaringTypeDefinition, this, td.GetGenericParameters());
}
else
{
// Create type parameters:
this.TypeParameters = MetadataTypeParameter.Create(module, this, td.GetGenericParameters());
var topLevelTypeName = fullTypeName.TopLevelTypeName;
for (int i = 0; i < KnownTypeReference.KnownTypeCodeCount; i++)
{
var ktr = KnownTypeReference.Get((KnownTypeCode)i);
if (ktr != null && ktr.TypeName == topLevelTypeName)
{
this.KnownTypeCode = (KnownTypeCode)i;
break;
}
}
}
// Find type kind:
if ((attributes & TypeAttributes.ClassSemanticsMask) == TypeAttributes.Interface)
{
this.Kind = TypeKind.Interface;
}
else if (td.IsEnum(metadata, out var underlyingType))
{
this.Kind = TypeKind.Enum;
this.EnumUnderlyingType = module.Compilation.FindType(underlyingType.ToKnownTypeCode());
}
else if (td.IsValueType(metadata))
{
if (KnownTypeCode == KnownTypeCode.Void)
{
this.Kind = TypeKind.Void;
}
else
{
this.Kind = TypeKind.Struct;
this.IsByRefLike = td.GetCustomAttributes().HasKnownAttribute(metadata, KnownAttribute.IsByRefLike);
this.IsReadOnly = td.GetCustomAttributes().HasKnownAttribute(metadata, KnownAttribute.IsReadOnly);
}
}
else if (td.IsDelegate(metadata))
{
this.Kind = TypeKind.Delegate;
}
else
{
this.Kind = TypeKind.Class;
this.HasExtensionMethods = this.IsStatic &&
(module.TypeSystemOptions & TypeSystemOptions.ExtensionMethods) == TypeSystemOptions.ExtensionMethods &&
td.GetCustomAttributes().HasKnownAttribute(metadata, KnownAttribute.Extension);
}
}